Positioning The 3D Model For Rear-Face Machining - HEIDENHAIN TNC 620 User Manual

Data transfer from CAD files | Generating STL files with 3D mesh (option 152)

Positioning the 3D model for rear-face machining

To position an STL file for rear-face machining:
Export of the simulated workpiece as an STL file
Further information: User's Manual for Setup, Testing and
Running NC Programs
Select the Programming operating mode
Press the PGM MGT key
The control opens the file manager.
Select the exported STL file
The control opens the CAD files in CAD-Viewer.
Select Preset
In the Sidebar window, the control displays
information on the position of the preset.
Enter the value of the new preset under Preset,
e.g. Z–40
Confirm your input
Orient the coordinate system by specifying values
under PLANE SPATIAL SP*, e.g. A+180 and C+90
Confirm your input
Select 3D mesh
The control opens the 3D mesh mode and
simplifies the 3D model using the default settings.
Further simplify the 3D model using the 3D mesh
mode functions, if required.
Further information: "Functions for the simplified
model", Page 496
Select Save
The control opens the Define file name for 3D
mesh menu.
Enter the desired name
Select Save
The control saves the STL file positioned for rear-
face machining.
The resulting file can then be used for rear-face
machining with the BLK FORM FILE function.
Further information: "Defining the workpiece blank: BLK
FORM", Page 91
HEIDENHAIN | TNC 620 | Klartext Programming User's Manual | 01/2022
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